<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <style>
        :root {
            --primary-color: #2196F3;
            --secondary-color: #333333;
            --background-color: #F5F7FA;
            --text-color: #2C3E50;
        }

        body {
            margin: 0;
            padding: 40px;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background: var(--background-color);
            color: var(--text-color);
        }

        .container {
            max-width: 1440px;
            margin: 0 auto;
            background: white;
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .title {
            text-align: center;
            margin-bottom: 40px;
            color: var(--secondary-color);
        }

        .promo-section {
            margin-bottom: 40px;
            background: white;
            border-radius: 12px;
            overflow: hidden;
        }

        .promo-header {
            padding: 20px;
            background: var(--background-color);
            border-bottom: 1px solid #eee;
        }

        .promo-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--secondary-color);
            margin: 0;
        }

        .promo-dimensions {
            color: #666;
            font-size: 14px;
            margin-top: 4px;
        }

        /* 1. 顶部宣传图块 (1400x560) */
        .hero-banner {
            width: 1400px;
            height: 560px;
            background: linear-gradient(135deg, #2196F3, #1976D2);
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            color: white;
            width: 100%;
            padding: 0 40px;
        }

        .hero-logo {
            width: 120px;
            height: 120px;
            background: white;
            border-radius: 24px;
            margin: 0 auto 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .hero-logo img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .hero-subtitle {
            font-size: 24px;
            opacity: 0.9;
        }

        /* 2. 小型宣传图块 (440x280) */
        .small-promo {
            width: 440px;
            height: 280px;
            background: linear-gradient(135deg, #2196F3, #1976D2);
            position: relative;
            overflow: hidden;
        }

        .small-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            color: white;
            width: 100%;
            padding: 0 20px;
        }

        .small-logo {
            width: 64px;
            height: 64px;
            background: white;
            border-radius: 16px;
            margin: 0 auto 20px;
            padding: 10px;
        }

        .small-logo img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .small-title {
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .small-subtitle {
            font-size: 16px;
            opacity: 0.9;
        }

        /* 3. 截图模板 (1280x800) */
        .screenshot {
            width: 1280px;
            height: 800px;
            background: white;
            position: relative;
            overflow: hidden;
        }

        .browser-bar {
            height: 48px;
            background: #f1f3f4;
            border-bottom: 1px solid #ddd;
            display: flex;
            align-items: center;
            padding: 0 16px;
            gap: 8px;
        }

        .browser-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }

        .dot-red { background: #ff5f57; }
        .dot-yellow { background: #ffbd2e; }
        .dot-green { background: #28c940; }

        .browser-content {
            position: relative;
            height: calc(100% - 48px);
            background: #f8f9fa;
        }

        .extension-window {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 380px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }

        .extension-header {
            padding: 20px;
            border-bottom: 1px solid #eee;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .extension-icon {
            width: 24px;
            height: 24px;
        }

        .extension-icon img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .extension-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--secondary-color);
            margin-bottom: 4px;
        }

        .extension-desc {
            font-size: 14px;
            color: #666;
        }

        .extension-content {
            padding: 20px;
        }

        .shortcut-item {
            display: flex;
            align-items: center;
            margin-bottom: 16px;
            padding: 12px;
            background: var(--background-color);
            border-radius: 8px;
        }

        .shortcut-keys {
            display: flex;
            gap: 4px;
            margin-right: 12px;
        }

        .key {
            background: white;
            border: 1px solid #ddd;
            border-radius: 4px;
            padding: 4px 8px;
            font-size: 13px;
            color: var(--secondary-color);
        }

        .shortcut-text {
            font-size: 14px;
            color: var(--secondary-color);
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="title">
            <h1>Chrome Web Store 宣传素材</h1>
        </div>

        <!-- 1. 顶部宣传图块 -->
        <div class="promo-section">
            <div class="promo-header">
                <h2 class="promo-title">顶部宣传图块</h2>
                <div class="promo-dimensions">1400 x 560 像素</div>
            </div>
            <div class="hero-banner">
                <div class="hero-content">
                    <div class="hero-logo">
                        <img src="../icons/icon_256.png" alt="VideoSnap Pro Logo">
                    </div>
                    <h1 class="hero-title">VideoSnap Pro</h1>
                    <p class="hero-subtitle">捕捉精彩视频瞬间的完美工具</p>
                </div>
            </div>
        </div>

        <!-- 2. 小型宣传图块 -->
        <div class="promo-section">
            <div class="promo-header">
                <h2 class="promo-title">小型宣传图块</h2>
                <div class="promo-dimensions">440 x 280 像素</div>
            </div>
            <div class="small-promo">
                <div class="small-content">
                    <div class="small-logo">
                        <img src="../icons/icon_128.png" alt="VideoSnap Pro Logo">
                    </div>
                    <h2 class="small-title">VideoSnap Pro</h2>
                    <p class="small-subtitle">视频帧捕获工具</p>
                </div>
            </div>
        </div>

        <!-- 3. 截图模板 -->
        <div class="promo-section">
            <div class="promo-header">
                <h2 class="promo-title">截图模板</h2>
                <div class="promo-dimensions">1280 x 800 像素</div>
            </div>
            <div class="screenshot">
                <div class="browser-bar">
                    <div class="browser-dot dot-red"></div>
                    <div class="browser-dot dot-yellow"></div>
                    <div class="browser-dot dot-green"></div>
                </div>
                <div class="browser-content">
                    <div class="extension-window">
                        <div class="extension-header">
                            <div class="extension-icon">
                                <img src="../icons/icon_128.png" alt="VideoSnap Pro Icon">
                            </div>
                            <div>
                                <div class="extension-title">VideoSnap Pro</div>
                                <div class="extension-desc">快捷键设置</div>
                            </div>
                        </div>
                        <div class="extension-content">
                            <div class="shortcut-item">
                                <div class="shortcut-keys">
                                    <span class="key">Option</span>
                                    <span class="key">S</span>
                                </div>
                                <div class="shortcut-text">复制到剪贴板</div>
                            </div>
                            <div class="shortcut-item">
                                <div class="shortcut-keys">
                                    <span class="key">Option</span>
                                    <span class="key">Shift</span>
                                    <span class="key">S</span>
                                </div>
                                <div class="shortcut-text">保存到文件</div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</body>
</html>
